Results 61 to 70 of about 220,969 (290)
Woody cover and geology as regional‐scale determinants of semi‐arid savanna stability
Remote Sensing in Ecology and Conservation, EarlyView.Savannas are vital for global biodiversity and carbon storage, yet their responses to climate change and human activity remain uncertain. Using remote sensing time series and Bayesian Linear Models, we show that drought resistance and resilience vary regionally, shaped by complex interactions between geology, woody cover, fire regimes, past climate ...
Liezl Mari Vermeulen +5 more
wiley +1 more source
Remote Sensing of Atmospheric Water Vapor Using the Moderate Resolution Imaging Spectroradiometer
Journal of Atmospheric and Oceanic Technology, 2005 Abstract This paper presents first validation results for an algorithm developed for the retrieval of integrated columnar water vapor from measurements of the Moderate Resolution Imaging Spectroradiometer (MODIS) instrument on board the polar-orbiting Terra and Aqua platforms.
Rene Preusker +4 more
openaire +2 more sources
On the Detectability of Conflict: a Remote Sensing Study of the Rohingya Conflict [PDF]
arXiv, 2020 The detection and quantification of conflict through remote sensing modalities represents a challenging but crucial aspect of human rights monitoring. In this work we demonstrate how utilizing multi-modal data sources can help build a comprehensive picture of conflict and human displacement, using the Rohingya conflict in the state of Rakhine, Myanmar ...
arxiv
Advancing the mapping of vegetation structure in savannas using Sentinel‐1 imagery
Remote Sensing in Ecology and Conservation, EarlyView.As vegetation structure monitoring is important for the understanding and conservation of savanna ecosystems, we explored the utility of C‐band synthetic aperture radar imagery for mapping both grassland and woody vegetation structure in the Greater Serengeti‐Mara Ecosystem.
Vera Thijssen +3 more
wiley +1 more source
An Evaluation of MODIS-Retrieved Aerosol Optical Depth over AERONET Sites in Alaska
Remote Sensing, 2018 The air quality monitoring network in Alaska is currently limited to ground-based observations in urban areas and national parks, leaving a large proportion of the state unmonitored.
Alyson McPhetres, Srijan Aggarwal
doaj +1 more source
Predicting Landsat Reflectance with Deep Generative Fusion [PDF]
arXiv, 2020 Public satellite missions are commonly bound to a trade-off between spatial and temporal resolution as no single sensor provides fine-grained acquisitions with frequent coverage. This hinders their potential to assist vegetation monitoring or humanitarian actions, which require detecting rapid and detailed terrestrial surface changes.
arxiv
Survey On The Estimation Of Mutual Information Methods as a Measure of Dependency Versus Correlation Analysis [PDF]
, 2014 In this survey, we present and compare different approaches to estimate Mutual Information (MI) from data to analyse general dependencies between variables of interest in a system. We demonstrate the performance difference of MI versus correlation analysis, which is only optimal in case of linear dependencies.
arxiv +1 more source
Nonstationary Spatial Modeling of Massive Global Satellite Data [PDF]
arXiv, 2021 Earth-observing satellite instruments obtain a massive number of observations every day. For example, tens of millions of sea surface temperature (SST) observations on a global scale are collected daily by the Moderate Resolution Imaging Spectroradiometer (MODIS) instrument.
arxiv
Hyperspectral imaging has a limited ability to remotely sense the onset of beech bark disease
Remote Sensing in Ecology and Conservation, EarlyView.Although hyperspectral imaging is a powerful remote sensing tool, it proved ineffective in predicting the progression of beech bark disease, except in its later stages, both at the canopy and leaf levels. While some alterations in chlorophyll, water content, and canopy structure may have influenced foliar reflectance at the canopy scale, as suggested ...
Guillaume Tougas +3 more
wiley +1 more source
International Journal of Applied Earth Observations and Geoinformation, 2021 Time-series Moderate Resolution Imaging Spectroradiometer (MODIS) gross primary productivity (GPP) has been served as an effective tool to assess the terrestrial carbon budget for the entire globe since 2000.
Xinyao Xie +5 more
doaj